Back in 1998, we said:

...ft. from about 6 cu. ft.130. You can still fold the rear seat backs down, of course, and you might as well — you’d be stupid to let anybody you like sit back there anyway. The safety aspect of this system is further emphasized by the specification of Porsche's first directional stability-control system, exclusively — so far — on the Carrera 4. Called Porsche Stability Management, or PSM (and please, do not get those last two letters mixed up), it's essentially the same Bosch hardware used on other high-end German makes... Read More